Highway marker



FIG. 1 is a perspective view of the highway marker;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a side view, opposite to that of FIG. 4;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof. 

CLAIM The ornamental design for a highway marker, as shown and described. 